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AIRTEMP vs ELIOS: heat pump ratings compared

Against heat pumps of the same size and type, a typical AIRTEMP model beats 45% and a typical ELIOS model 59%. ELIOS rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

AIRTEMP

45%

of similar heat pumps beaten by its typical model

About average

25 models listed

ELIOS

59%

of similar heat pumps beaten by its typical model

Above average

45 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FAIRTEMP: Beats 32%ELIOS: Beats 51%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAIRTEMP: Beats 65%ELIOS: Beats 62%
  • Winter-long heating efficiencyHSPF2AIRTEMP: Beats 37%ELIOS: Beats 72%
  • Summer-long cooling efficiencySEER2AIRTEMP: Beats 38%ELIOS: Beats 59%
  • Hot-day cooling efficiencyEER2AIRTEMP: Beats 44%ELIOS: Beats 46%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    AIRTEMP
    48%
    ELIOS
    62%

  • Xcel CC

    AIRTEMP
    52%
    ELIOS
    47%

  • CEE Advanced

    AIRTEMP
    0%
    ELIOS
    0%

  • ENERGY STAR CC

    AIRTEMP
    32%
    ELIOS
    56%

Top cold-climate picks, ductless 2.5–3 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

AIRTEMP

  1. 1GXH42(12.3)FMK4DH-1AIRTEMP3 tons · 36,000 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.92 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    73.7score / 100
  2. 2GXH36(10.6)FMK4DH-1AIRTEMP3 tons · 34,000 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.82 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    63.8score / 100
  3. 3GXH30(8.8)FMK4DH-1AIRTEMP2.5 tons · 28,400 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    63.4score / 100

ELIOS

  1. 1DEA36HOM25230X3ELIOS3 tons · 36,000 Btu/h · DuctlessKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Seasonal efficiency
    10.3 (HSPF2)
    Great
    79.3score / 100
  2. 2DEA36HOS28230E8with ductless indoor unit DUA36HICU230X5ELIOS3 tons · 36,000 Btu/h · DuctlessKeeps 103% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.83 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    75.0score / 100
  3. 3DEA27HOM25230X3ELIOS2.5 tons · 28,000 Btu/h · DuctlessKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.6 (HSPF2)
    Top 10%
    61.4score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

Open the advanced view